1 /*
2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 4419453
27 * @summary Test that Method.location() returns the right values
28 * @author Robert Field
29 *
30 * @run build TestScaffold VMConnection TargetListener TargetAdapter
31 * @run compile -g LocationTest.java
32 * @run driver LocationTest
33 */
34 import com.sun.jdi.*;
35 import com.sun.jdi.event.*;
36 import com.sun.jdi.request.*;
37
38 import java.util.*;
39
40 /********** target program **********/
41
42 abstract class AbstractLocationTarg {
43 abstract void foo();
44 }
45
46 class LocationTarg extends AbstractLocationTarg {
47 public static void main(String[] args){
48 System.out.println("Howdy!"); // don't change the following 3 lines
49 }
50 void foo() {
51 System.out.println("Never here!"); // must be 3 lines after "Howdy!"
52 }
53 }
54
55 /********** test program **********/
56
57 public class LocationTest extends TestScaffold {
58 ReferenceType targetClass;
59 ThreadReference mainThread;
60
61 LocationTest (String args[]) {
62 super(args);
63 }
64
65 public static void main(String[] args) throws Exception {
66 new LocationTest(args).startTests();
67 }
68
69 /********** test assist **********/
70
71 Location getLocation(String refName, String methodName) {
72 List refs = vm().classesByName(refName);
73 if (refs.size() != 1) {
74 failure("Test failure: " + refs.size() +
75 " ReferenceTypes named: " + refName);
76 return null;
77 }
78 ReferenceType refType = (ReferenceType)refs.get(0);
79 List meths = refType.methodsByName(methodName);
80 if (meths.size() != 1) {
81 failure("Test failure: " + meths.size() +
82 " methods named: " + methodName);
83 return null;
84 }
85 Method meth = (Method)meths.get(0);
86 return meth.location();
87 }
88
89 /********** test core **********/
90
91 protected void runTests() throws Exception {
92 Location loc;
93
94 /*
95 * Get to the top of main() to get everything loaded
96 */
97 startToMain("LocationTarg");
98
99 /*
100 * Test the values of location()
101 */
102 loc = getLocation("AbstractLocationTarg", "foo");
103 if (loc != null) {
104 failure("location of AbstractLocationTarg.foo() should have " +
105 "been null, but was: " + loc);
106 }
107
108 loc = getLocation("java.util.List", "clear");
109 if (loc != null) {
110 failure("location of java.util.List.clear() " +
111 "should have been null, but was: " + loc);
112 }
113
114 loc = getLocation("java.lang.Object", "getClass");
115 if (loc == null) {
116 failure("location of Object.getClass() " +
117 "should have been non-null, but was: " + loc);
118 } else {
119 if (!loc.declaringType().name().equals("java.lang.Object")) {
120 failure("location.declaringType() of Object.getClass() " +
121 "should have been java.lang.Object, but was: " +
122 loc.declaringType());
123 }
124 if (!loc.method().name().equals("getClass")) {
125 failure("location.method() of Object.getClass() " +
126 "should have been getClass, but was: " +
127 loc.method());
128 }
129 if (loc.codeIndex() != -1) {
130 failure("location.codeIndex() of Object.getClass() " +
131 "should have been -1, but was: " +
132 loc.codeIndex());
133 }
134 if (loc.lineNumber() != -1) {
135 failure("location.lineNumber() of Object.getClass() " +
136 "should have been -1, but was: " +
137 loc.lineNumber());
138 }
139 }
140 Location mainLoc = getLocation("LocationTarg", "main");
141 loc = getLocation("LocationTarg", "foo");
142 if (loc == null) {
143 failure("location of LocationTarg.foo() " +
144 "should have been non-null, but was: " + loc);
145 } else {
146 if (!loc.declaringType().name().equals("LocationTarg")) {
147 failure("location.declaringType() of LocationTarg.foo() " +
148 "should have been LocationTarg, but was: " +
149 loc.declaringType());
150 }
151 if (!loc.method().name().equals("foo")) {
152 failure("location.method() of LocationTarg.foo() " +
153 "should have been foo, but was: " +
154 loc.method());
155 }
156 if (loc.codeIndex() != 0) { // implementation dependent!!!
157 failure("location.codeIndex() of LocationTarg.foo() " +
158 "should have been 0, but was: " +
159 loc.codeIndex());
160 }
161 if (loc.lineNumber() != (mainLoc.lineNumber() + 3)) {
162 failure("location.lineNumber() of LocationTarg.foo() " +
163 "should have been " + (mainLoc.lineNumber() + 3) +
164 ", but was: " + loc.lineNumber());
165 }
166 }
167
168
169 /*
170 * resume until the end
171 */
172 listenUntilVMDisconnect();
173
174 /*
175 * deal with results of test
176 * if anything has called failure("foo") testFailed will be true
177 */
178 if (!testFailed) {
179 println("LocationTest: passed");
180 } else {
181 throw new Exception("LocationTest: failed");
182 }
183 }
184 }